graphviz defining more "defaults" - Stack Overflow https://stackoverflow.com/questions/8195642/graphviz-defining-more-defaults

filter.gvpr

echo '
E {
    color="red";
    fontsize=11;
    fontname="Arial narrow"
}
E[edgetype == "edge2"] {
    color="green";
    fontsize=11;
    fontname="Arial narrow";
    style="bold"
}
E[edgetype == "edge3"] {
    color="blue";
    fontsize=14;
    fontname="Arial narrow"
}
' > filter.gvpr